Uzbekistan powerlifter Navruzbek Abdurasulov has been given a four-year doping ban by the International Paralympic Committee (IPC).
Russian Sports Minister Pavel Kolobkov believes the country is over the worst of its doping crisis.
Russian race walker Yekaterina Medvedeva has received an eight-year ban from the International Association of Athletics Federations (IAAF) for violating anti-doping regulations.
Teenager sprinter Briana Williams of Jamaica could miss this month's International Association of Athletics Federations (IAAF) World Championships in Doha after testing positive for the banned diuretic hydrochlorothiazide.
Last month, Uzbekistan wrestler Artur Taymazov became the 60th athlete retrospectively disqualified from the London 2012 Olympic Games under the International Olympic Committee’s (IOC) sample retesting programme.
More than 100 suspected anti-doping rule violations against Russian athletes have been uncovered by the Russian Anti-Doping Agency (RUSADA) in the first half of this year, its deputy director general Margarita Pakhnotskaya has revealed.